Göttingen 2025 – wissenschaftliches Programm
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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 9: Novel Accelerator Concepts III and Hadron Accelerators
AKBP 9.2: Vortrag
Donnerstag, 3. April 2025, 14:15–14:30, ZHG004
Laser cooling of bunched relativistic ion beams at the FAIR SIS100 — •Danyal Winters1, Michael Bussmann2,3, Tamina Grunwitz4, Jens Gumm4, Volker Hannen5, Thomas Kühl1,6, Sebastian Klammes1, Benedikt Langfeld4, Ulrich Schramm2,7, Denise Schwarz4, Mathias Siebold2, Peter Spiller1, Thomas Stöhlker1,6,8, Ken Ueberholz5, and Thomas Walther4,9 — 1GSI Darmstadt — 2HZDR Dresden — 3CASUS Görlitz — 4TU-Darmstadt — 5Uni Münster — 6HI-Jena — 7TU-Dresden — 8Uni-Jena — 9HFHF Campus Darmstadt
The heavy-ion synchrotron SIS100 is (at) the heart of the Facility for Antiproton and Ion Research (FAIR) in Darmstadt, Germany. It is designed to accelerate intense beams of heavy highly charged ions up to relativistic velocities and to deliver them to unique physics experiments, such as those planned by the APPA/SPARC collaboration. In order to cool these extreme ion beams, bunched beam laser cooling will be applied using a dedicated facility at the SIS100. We will use a novel 3-beam concept, where laser beams from three complementary laser systems (cw and pulsed) will be overlapped in space, time and energy to interact simultaneously with a very broad ion velocity range in order to maximize the cooling efficiency. We will present this project and give an update of its current status. We will also give an overview of the laser and detector systems that will be used.
Keywords: heavy ions; laser cooling; relativistic energies